Combinatorial Chemistry & High Throughput Screening,
Год журнала:
2024,
Номер
27(12), С. 1701 - 1715
Опубликована: Март 5, 2024
Heat
stress
impacts
plant
growth
at
all
phases
of
development,
although
the
particular
threshold
for
heat
tolerance
varies
significantly
across
different
developmental
stages.
During
seed
germination,
elevated
temperatures
can
either
impede
or
completely
halt
process,
contingent
upon
type
and
severity
stress.
advanced
stages,
high
have
a
negative
impact
on
photosynthesis,
respiration,
water
balance,
membrane
integrity.
Additionally,
they
also
influence
levels
hormones
primary
secondary
metabolites.
In
addition,
during
development
plants,
there
is
an
increased
expression
various
shock
proteins,
as
well
other
proteins
related
to
stress,
generation
reactive
oxygen
species
(ROS).
These
are
significant
responses
Plants
employ
several
strategies
deal
with
such
maintaining
stability
their
cell
membranes,
removing
harmful
(ROS),
producing
antioxidants,
accumulating
adjusting
compatible
solutes,
activating
mitogen-activated
protein
kinase
(MAPK)
calcium-dependent
(CDPK)
cascades,
and,
crucially,
signaling
through
chaperones
transcription.
molecular-level
systems
boost
ability
plants
flourish
in
Potential
genetic
methods
enhance
resistance
encompass
old
modern
molecular
breeding
techniques
transgenic
approaches,
which
rely
comprehensive
comprehension
these
systems.
Although
exhibit
enhanced
traditional
methods,
effectiveness
transformation
has
been
somewhat
restricted.
The
latter
results
from
current
constraints
our
understanding
access
genes
that
known
tolerance.
However,
challenges
may
be
overcome
future.
Besides
crops'
improved
pre-treatment
environmental
external
application
osmoprotectants
glycine
betaine
proline.
Thermotolerance
achieved
active
process
allocate
energy
maintain
structure
function
avoid
damage
induced
by
practice
nanoparticles
shown
upgrade
both
standard
quantity
produce
when
crops
under
This
review
provides
information
effects
explores
importance
nanoparticles,
transgenics,
genomic
reducing
consequences
Furthermore,
it
how
might
adapt
modifying
biochemical,
physiological,
reactions.
Plant Cell & Environment,
Год журнала:
2022,
Номер
46(4), С. 1087 - 1103
Опубликована: Дек. 7, 2022
Global
climate
change
has
great
impacts
on
plant
growth
and
development,
reducing
crop
productivity
worldwide.
Rice
(Oryza
sativa
L.),
one
of
the
world's
most
important
food
crops,
is
susceptible
to
high-temperature
stress
from
seedling
stage
reproductive
stage.
In
this
review,
we
summarize
recent
advances
in
understanding
molecular
mechanisms
underlying
heat
responses
rice,
including
sensing
signalling,
transcriptional
regulation,
transcript
processing,
protein
translation,
post-translational
regulation.
We
also
highlight
irreversible
effects
high
temperature
reproduction
grain
quality
rice.
Finally,
discuss
challenges
opportunities
for
future
research
Biotechnology Advances,
Год журнала:
2025,
Номер
unknown, С. 108556 - 108556
Опубликована: Март 1, 2025
Brassinosteroids
(BRs)
are
steroid
phytohormones
which
regulate
various
developmental
and
physiological
processes
throughout
plant
life
cycle,
from
seed
development
germination,
up
to
modulation
of
reproduction
senescence.
Importantly,
mutants
defective
in
the
BR
biosynthesis
or
response
show
degree
height
reduction
(dwarfism
semi-dwarfism).
This
agronomic
trait
is
particular
importance
considering
that
contrast
tall
cereal
varieties,
semi-dwarf
plants
more
tolerant
lodging
occurs
during
unfavorable
weather
conditions
constitutes
a
serious
threat
yield.
Moreover,
it
was
shown
deficiency
insensitivity
lead
erect
stature
what
enables
increase
planting
density
The
valuable
combinations
these
traits
make
BR-related
exceptional
alternatives
breeding
programs.
Noteworthy,
BRs
play
noticeable
role
regulation
grain/kernel
shape
size.
Therefore,
crucial
may
be
manipulated
specifically
BR-dependent
manner.
have
been
successfully
introduced
into
programs
past,
new
developed
through
application
gene
editing
approach
recently
reported
as
promising
for
novel,
high-yielding
cultivars.
review
presents
comprehensive
description
genetic
manipulations
genes
aimed
at
improvements
major
crops
-
rice,
wheat,
maize,
barley.
These
achieved
panicle-
grain-specific
promoters,
overexpression
gain-of-function
approaches,
silencing,
targeted
editing.
International Journal of Molecular Sciences,
Год журнала:
2022,
Номер
23(23), С. 14577 - 14577
Опубликована: Ноя. 23, 2022
Brassinosteroid
hormones
(BRs)
multitask
to
smoothly
regulate
a
broad
spectrum
of
vital
physiological
processes
in
plants,
such
as
cell
division,
expansion,
differentiation,
seed
germination,
xylem
reproductive
development
and
light
responses
(photomorphogenesis
skotomorphogenesis).
Their
importance
is
inferred
when
visible
abnormalities
arise
plant
phenotypes
due
suboptimal
or
supraoptimal
hormone
levels.
This
group
steroidal
are
major
growth
regulators,
having
pleiotropic
effects
conferring
abiotic
stress
resistance
plants.
Numerous
stresses
the
cause
significant
loss
agricultural
yield
globally.
However,
plants
well
equipped
with
efficient
combat
machinery.
Scavenging
reactive
oxygen
species
(ROS)
unique
mechanism
deleterious
stresses.
In
numerous
reports
past
two
decades,
complex
BR
signaling
under
different
conditions
(drought,
salinity,
extreme
temperatures
heavy
metals/metalloids)
that
drastically
hinders
normal
metabolism
gradually
being
untangled
revealed.
Thus,
crop
improvement
has
substantial
potential
by
tailoring
either
brassinosteroid
signaling,
biosynthesis
pathway
perception.
review
aims
explore
dissect
actual
mission
BRs
cascades
summarize
their
positive
role
respect
tolerance.
Physiologia Plantarum,
Год журнала:
2024,
Номер
176(3)
Опубликована: Май 1, 2024
Abstract
Broomrape
(
Orobanche
cumana
)
negatively
affects
sunflower,
causing
severe
yield
losses,
and
thus,
there
is
a
need
to
control
O.
infestation
.
Brassinosteroids
(BRs)
play
key
roles
in
plant
growth
provide
resilience
weed
infection.
This
study
aims
evaluate
the
mechanisms
by
which
BRs
ameliorate
infection
sunflower
Helianthus
annuus
).
Seeds
were
pretreated
with
(1,
10,
100
nM)
inoculation
for
4
weeks
under
soil
conditions.
significantly
reduced
traits,
photosynthesis,
endogenous
regulated
defence
POX
,
GST
),
signalling
BAK1,
BSK1
BSK4
synthesis
BRI1
BR6OX2
genes.
also
elevated
levels
of
malondialdehyde
(MDA),
hydroxyl
radical
(OH
−
hydrogen
peroxide
(H
2
O
superoxide
(O
•–
leaves/roots
77/112,
63/103,
56/97
54/89%,
as
well
caused
ultrastructural
cellular
damages
both
leaves
roots.
In
response,
plants
activated
few
enzymes,
dismutase
(SOD),
peroxidase
(POD)
glutathione
but
unable
stimulate
activity
ascorbate
(APX)
catalase
(CAT)
enzymes.
The
addition
(especially
at
10
notably
recovered
damages,
lowered
production
oxidative
stress,
enzymatic
antioxidants
induced
phenolic
lignin
contents.
downregulation
particular
genes
attributed
increased
via
susceptible
reaction.
nutshell,
enhanced
resistance
escalating
immunity
responses,
inducing
systemic
acquired
resistance,
reducing
or
modulating
expression
BR
International Journal of Molecular Sciences,
Год журнала:
2021,
Номер
23(1), С. 342 - 342
Опубликована: Дек. 29, 2021
Cereals,
which
belong
to
the
Poaceae
family,
are
most
economically
important
group
of
plants.
Among
abiotic
stresses,
temperature
stresses
a
serious
and
at
same
time
unpredictable
problem
for
plant
production.
Both
frost
(in
case
winter
cereals)
high
temperatures
in
summer
(especially
combined
with
water
deficit
soil)
can
result
significant
yield
losses.
Plants
have
developed
various
adaptive
mechanisms
that
enabled
them
survive
periods
extreme
temperatures.
The
processes
acclimation
low
controlled,
among
others,
by
phytohormones.
current
review
is
devoted
role
brassinosteroids
(BR)
cereal
stress
special
attention
being
paid
impact
BR
on
photosynthesis
membrane
properties.
In
cereals,
exogenous
application
increases
tolerance
(winter
rye,
wheat),
cold
(maize)
(rice).
Disturbances
biosynthesis
signaling
accompanied
decrease
but
unexpectedly
an
improvement
(barley).
treatment
efficiency
photosynthetic
light
reactions
under
conditions
barley,
rice),
interestingly,
mutants
disturbances
also
characterized
increased
PSII
regulate
sugar
metabolism
including
increase
content,
key
importance
acclimation,
especially
maize).
either
participate
temperature-dependent
regulation
fatty
acid
or
control
responsible
transport
incorporation
acids
into
membranes,
influences
fluidity
(and
subsequently
high/low
temperatures)
may
be
one
players,
along
gibberellins
ABA,
acquiring
cereals
(particularly
temperature).
International Journal of Molecular Sciences,
Год журнала:
2022,
Номер
23(2), С. 825 - 825
Опубликована: Янв. 13, 2022
The
heavy
metal
cadmium
(Cd)
affects
root
system
development
and
quiescent
center
(QC)-definition
in
Arabidopsis
root-apices.
brassinosteroids-(BRs)-mediated
tolerance
to
metals
has
been
reported
occur
by
a
modulation
of
nitric
oxide
(NO)
auxin-localization.
However,
how
BRs
counteract
Cd-action
different
types
is
unknown.
This
research
aimed
find
correlations
between
NO
response
Cd
Arabidopsis's
system,
monitoring
their
effects
on
QC-definition
auxin
localization
To
this
aim,
developmental
changes
induced
low
levels
24-epibrassinolide
(eBL)
or
the
BR-biosynthesis
inhibitor
brassinazole
(Brz),
combined
not
with
CdSO4,
and/or
NO-donor
nitroprusside
(SNP),
were
investigated
using
morpho-anatomical
NO-epifluorescence
analyses,
auxin-localization
DR5::GUS
system.
Results
show
that
eBL,
alone
Cd,
enhances
lateral
(LR)
adventitious
(AR)
formation
counteracts
QC-disruption
auxin-delocalization
caused
primary
root/LR/AR
apices.
Exogenous
LR
AR
Cd-presence,
without
synergism
eBL.
NO-signal
positively
affected
but
inhibition
does
change
Cd.
Collectively,
results
ameliorate
Cd-effects
all
acting
independently
from
NO.
Frontiers in Plant Science,
Год журнала:
2022,
Номер
13
Опубликована: Май 13, 2022
Plants
can
adapt
to
different
environmental
conditions
and
survive
even
under
very
harsh
conditions.
They
have
developed
elaborate
networks
of
receptors
signaling
components,
which
modulate
their
biochemistry
physiology
by
regulating
the
genetic
information.
also
abilities
transmit
information
between
parts
ensure
a
holistic
response
any
adverse
challenge.
One
such
phenomenon
that
has
received
greater
attention
in
recent
years
is
called
stress
priming.
Any
milder
exposure
used
plants
prime
themselves
modifying
various
cellular
molecular
parameters.
These
changes
seem
stay
as
memory
prepare
better
tolerate
subsequent
severe
stress.
In
this
review,
we
discussed
ways
be
primed
illustrate
biochemical
changes,
including
chromatin
modification
leading
memory,
with
major
focus
on
thermo-priming.
Alteration
hormones
role
during
after
priming
imposed
changing
climate
are
discussed.